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E10G21-F2
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- DUAL-PORT 10GBE SFP+ ADD-IN CARD FOR SYNOLOGY SERVERS
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E10G21-F2 Overview
E10G21-F2-DUAL-PORT 10GBE SFP+ ADD-IN CARD FOR SYNOLOGY SERVERS is a high-performance network interface expansion card designed specifically for Synology servers. This add-in card features a PCIe x4 interface operating on the PCIe 3.0 standard and is built around the Intel X520 chipset, ensuring robust data handling and optimal networking performance. It offers dual SFP+ ports that support up to 10Gbps each, making it an ideal solution for high-speed connectivity in demanding server environments.
Engineered for reliability and efficiency, this card comes equipped with a low profile bracket that fits seamlessly into compact server chassis while relying on passive cooling for silent operation. With broad operating system compatibility—including Linux, Windows, macOS, VMware ESXi, and FreeBSD—it is perfectly suited for server expansion, advanced networking upgrades, and storage enhancement within Synology systems. The E10G21-F2 card delivers the performance and versatility essential for modern data centers and high-demand enterprise applications.
What is the price of E10G21-F2?
Pricing for E10G21-F2 is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for E10G21-F2.
Explore more options from Server Expansion Cards or explore other Synology products.
E10G21-F2 Specifications
| Product Type | Expansion Card |
| Card Type | Network Interface Card |
| Interface | PCIe x4 |
| PCIe Version | PCIe 3.0 |
| Chipset / Controller | Intel X520 |
| Supported Ports | SFP+ |
| Port Count | 2 |
| Max Data Rate | 10Gbps |
| RAID Levels Supported | N/A |
| Capture Resolution | N/A |
| Capture Frame Rate | N/A |
| Low Profile Bracket | Yes |
| Full Height Bracket | No |
| Cooling | Passive |
| Operating System Compatibility | Linux / Windows / macOS / VMware ESXi / FreeBSD |
| Bus Width | 64-bit |
| Power Requirements | 3.3V |
| Use Case | Server Expansion / Networking / Storage Expansion |
| Product Name | E10G21-F2-DUAL-PORT 10GBE SFP+ ADD-IN CARD FOR SYNOLOGY SERVERS |
| Height | 1.5 inches |
| Width | 3.4 inches |
| Depth | 5.5 inches |
| Weight | 0.4 lbs |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Bus Width | 64-bit | 64-bit | - | 64-bit | 64-bit |
| Capture Frame Rate | N/A | N/A | - | N/A | N/A |
| Capture Resolution | N/A | N/A | - | N/A | N/A |
| Card Type | Storage Controller | Network Interface Card | - | Other | Network Interface Card |
| Chipset / Controller | N/A | Intel X520 | - | N/A | Intel X710 |
| Cooling | Passive | Passive | - | Passive | Passive |
| Depth | N/A | 5.5 inches | - | 4.2 inches | N/A |
| Full Height Bracket | N/A | No | - | Yes | Yes |
| Height | N/A | 1.5 inches | - | 0.5 inches | N/A |
| Interface | PCIe x8 | PCIe x4 | - | PCIe x4 | PCIe x4 |
| Low Profile Bracket | N/A | Yes | - | Yes | Yes |
| Max Data Rate | N/A | 10Gbps | - | N/A | 10Gbps |
| Operating System Compatibility | N/A | Linux / Windows / macOS / VMware ESXi / FreeBSD | - | Windows / Linux | Windows / Linux / VMware ESXi |
| PCIe Version | PCIe 3.0 | PCIe 3.0 | - | PCIe 3.0 | PCIe 3.0 |
| Port Count | N/A | 2 | - | N/A | 2 |
| Power Requirements | N/A | 3.3V | - | 3.3V | 3.3V |
| Product Name | FXC17-FXC17 - PCIe - Mini-SAS - PCIe 3.0 - NAS / Storage server - 12 Gbit/s - 5 - 35 °C | E10G21-F2-DUAL-PORT 10GBE SFP+ ADD-IN CARD FOR SYNOLOGY SERVERS | - | M2D20-M.2 ADAPT CARD | E10G18-T2-E10G18-T2 - Internal - Wired - PCI Express - Ethernet - 10000 Mbit/s - Black,Blue |
| Product Type | Expansion Card | Expansion Card | - | Expansion Card | Expansion Card |
| RAID Levels Supported | N/A | N/A | - | N/A | N/A |
| Supported Ports | N/A | SFP+ | - | N/A | RJ-45 |
| Use Case | Storage Expansion | Server Expansion / Networking / Storage Expansion | - | Storage Expansion | Server Expansion / Network Upgrade / Storage Expansion |
| Weight | N/A | 0.4 lbs | - | 0.1 lbs | N/A |
| Width | N/A | 3.4 inches | - | 3.4 inches | N/A |
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Questions & Answers
Q
What is the Synology E10G21-F2 Dual-Port 10GbE SFP+ Add-in Card?
A
The E10G21-F2 is a PCIe 3.0 x8 dual-port 10GbE SFP+ network adapter designed to deliver high-speed connectivity for compatible Synology NAS servers.
Q
Which Synology NAS models are compatible with the E10G21-F2?
A
The E10G21-F2 supports all Synology NAS systems with an available PCIe 3.0 x8 slot, including DiskStation models DS1621+, DS1821+, DS3617xsII and RackStation SA3600.
Q
What types of SFP+ transceivers are supported by the E10G21-F2?
A
The E10G21-F2 supports standard 10GbE SFP+ transceivers—including SR, LR and DAC modules—providing flexible fiber and copper connectivity options.
Q
Does the E10G21-F2 require additional drivers for Synology DSM?
A
No. The E10G21-F2 is natively supported by Synology DiskStation Manager (DSM) 6.2 and later, so no manual driver installation is needed.
Q
How do I install the E10G21-F2 in my Synology server?
A
Power off your NAS, insert the E10G21-F2 into an available PCIe 3.0 x8 slot, secure the bracket, then power on the system for automatic recognition by DSM.
Q
What network performance can I expect with the E10G21-F2?
A
The E10G21-F2 delivers up to 20 Gbps aggregate bandwidth, significantly reducing file transfer and backup times on your Synology server.
Q
Can the E10G21-F2 be used for link aggregation?
A
Yes. You can configure LACP in DSM to combine both 10GbE ports for increased throughput and network redundancy.
Q
What is the power consumption of the E10G21-F2?
A
Under typical load, the E10G21-F2 consumes approximately 5.6 W, balancing high performance with energy efficiency.
Q
What operating systems support the E10G21-F2?
A
The E10G21-F2 is fully supported on Synology DSM and is also compatible with select Linux distributions and Windows Server editions with proper drivers.
Q
How long is the warranty for the E10G21-F2?
A
Synology provides a two-year limited warranty on the E10G21-F2, covering manufacturing defects and hardware failures.
Q
Can I mix SFP+ and RJ45 network adapters in the same NAS?
A
Yes. You can operate the E10G21-F2 alongside RJ45-based adapters as long as you have available PCIe slots and configure network settings in DSM.
Q
What cable types are compatible with the E10G21-F2?
A
The E10G21-F2 supports multimode and single-mode fiber cables via compatible SFP+ transceivers, as well as direct-attach copper (DAC) cables for short runs.
Q
Does the E10G21-F2 support virtualization features?
A
Yes. The E10G21-F2 is certified for VMware vSphere, Microsoft Hyper-V and KVM, delivering accelerated network performance in virtualized environments.
Q
What is the difference between the E10G21-F2 and E10G18-T1?
A
The E10G21-F2 uses SFP+ ports for fiber and DAC connections, offering lower latency and flexible cabling, whereas the E10G18-T1 provides 10GBASE-T RJ45 connectivity.
Q
Is the E10G21-F2 hot-swappable?
A
No. You must power down the NAS before installing or removing the E10G21-F2 to ensure hardware safety and system integrity.
Q
Where can I purchase genuine SFP+ modules for the E10G21-F2?
A
Genuine Synology-certified SFP+ modules are available from authorized Synology resellers and the official Synology online store for guaranteed compatibility.
